Volkswagen and Audi models have a tendency to give drivers a P2004 or P2015 error, which is a “Flapper Sensor Failure” code.
If this error appears, chances are it's the Variable Intake Manifold Adjusting Unit. Volkswagen models have a Variable Intake Manifold that is simply brilliant. The variable intake manifold features a flap system governed by the engine control unit that meets both of those demands, channeling the air via the long intake manifold at low revs and through the short section at high revs. Direct from Volkswagen / Audi, this new adjusting unit will have your car performing like new again. A basic setting should be performed after replacement by using a scan tool.* This part is designed for the FSI engine only. This can easily be found on the engine cover of your 2.0T VW/Audi. It will clearly be stamped FSI (not TFSI).
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